This is the third in a series of four podcasts of a telephone conference call launching a new Catholics for Choice publication.Truth and Consequence—A Look behind the Vatican's Ban on Contraception reflects on 40 years of Humanae Vitae, the Vatican document that cemented the ban on contraception.

This week Daniel Maguire, Professor of Moral Theological Ethics at Marquette University, speaks on the difference between Catholic theology and Vatican theology.